Railroad-buffer construction.



F. RAWIE.

RAILROAD BUFFER CONSTRUCTION,

APPLICATION FILED JUNE 20| 19I6-. I

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FRANZ RAWIE, 0F OSNABRll'CK- GI-IINKEL, GERMANY.

RAILROAD-BUFFER CONSTRUCTION.

Application filed June 20, 1916.

To all whom it may concern:

Be it known that I, FRANZ RAwm, a citizen of the German Empire, and resident of Osnabriick-Schinkel, Germany, have invented certain new and useful Improvements in and Relating to Railroad-Bufi'er Construc tions, of which the following is a specification. a

My invention relates to such railroadbuffer constructions in which the buffer is adapted to make a sliding movement under the-impact of the rolling stock and is provided with or connected to a base member positioned below the rails on which the rolling stock is running, said member adapted to be laden by the ning against the buffer. The invention consists in such a construction of buffers of this kind where the member connected to the buffer and positioned below the rails is increasingly laden by the cars on the rails running against the bufier in dependence from its sliding movement.

The invention is illustrated on the accompanying drawing.

Figures l-3 show one embodiment where the sliding base member of the buffer below the rails has a tongue like rearward extension of smaller width than the distance apart of the rails. The figures show respectively a longitudinal section, a plan and a cross section on line 33 of Fig. 2.

Figs. 4-6 show a second embodiment likewise in longitudinal section, plan and cross section on line 66 of Fig. 5, Where special supports are provided for the rails above the rearward portion of the sliding base member of the buifer.

V In Figs. 1-3 the buffer proper is designated by the numeral 1, the main portion of the base member of the buffer is designated 2 and the tongue like rearward extension of same with the numeral 3. The base member 2, 3 of the butter rests on a bed 4 and is adapted to slide thereon in the manner known in connections with buffers of this kind. The rails are designated '5. The tongue 3 of the base member is positioned between the rails 5. The rails 5 are in that part where they run near the lateral edges of the tongue 3 firmly mounted on a solid support 6 whereas in the part in front of this base element they are suspended as clearly shown in Fig. 1 of the drawing. 7

Specification of Letters Patent.

weight of the cars run Patented Dee. 4t, 191W.

Serial No. 104,817. i

indicates cross bars or beams connecting the rails, some of these cross bars being shown as resting on the main portion 2 of the base member. Fig. 1 shows in dotted lines a car contacting with the buffer. The weight of this car is in the rest position of the buffer shown on the drawing taken up by the solid support 6, the tongue like extension 3 remaining free from any lading and only the main portion 2 of the base member receiving some pressure through cross bars 7. If however the buffer is advanced under the impact of a rolling car then the tongue like extension comes below the suspended parts of the rails connected with the cross bars 7 below their base and the load of the rolling car is transmitted through bars '7 to said tongue 3. Therefore an increasing frictional resistance is put into operation to overcome the momentum of the rolling stock. This effect is obtained with a buffer having no elements in movable connection with each other.

In the embodiment of the invention illustrated in Figs. 46 the buffer has an undivided base plate 9 of invariable width throughout its length, which as in the above described construction rests slidably on a bed 4. The rails are designated 10. Above that part of the base plate 9 which is situated at that side of the buffer 8 which is directed against the rolling stock the rails are supported by cross beams 11 firmly restmg in extensions 12 of the bedding 4, so that the load of a car running against the buffer 8 is taken up by the beams 11 and in the rest position of the buifer transmitted directly to the bedding. On advancing of the buffer however the base plate 9 comes more and more below the cross bars or beams 19 connected to the freely suspended ends of the rails and by such cross bars the load of the car is transmitted to the base plate 9. So also in this embodiment an increasing frictional resistance is put into operation to overcome the momentum of the rolling stock.

The invention is not bound to the special features of construction illustrated on the drawings, the essential feature only being this that means are provided adapted to relieve that part of the base member of the buffer which is directed toward the rolling stock in its rest position from pressure through the weight of a car running on the buffer and to provide for increasing frictional contact through the weight of the car on advancing of the bufi'er.

What I claim is:

1. A railroad-butter construction comprising a butter proper, rails forming a guide and support for the rolling stock, and a base member below said rails in firm connection with said butter and adapted to slide in the direction of said rails on impact of the rolling stock on the buttenthe rails being so supported that in rest position of the bufier the rail supports take up the Weight of the rolling stock impacting on the buffer so as to relieve the base member therefrom whereas on advancing of the buffer the weight of the rolling stock is transmitted through the medium of the railsto increasing parts 01": the base member causing thereby increasing frictional contact so as to absorb the energy of the rolling stock. I

2. A railroadbufier construction comprising a buffer proper, rails forming a guide and support for the rolling stock, and a base member below said rails in firm connection with said buffer and adapted to slide in the direction of said rails on impact of the rolling stock on the buffer, the rails having sections firmly mounted on supports and other unsupported sections, said supported and unsupported sections joining near the point of rest position of the buffer, the base member of the buffer in'the rest position overlapping said supported rail sections so as to be relieved in said rest position from pressure of a rolling stock impacting with the bufi'er and the unsupported rail sections adapted to transmit pressure to the base member of the buffer in overlapping position. 1

3. A railroad-butter construction comprising a buffer proper, rails forming a guide and support for the rolling stock, and a base member below said rails in firm connection with said butter and adapted to slide in the direction of said rails on impact of the rolling stock on the buffer, the rails having supported and unsupported sections joining near the rest position of the buite' at least the unsupported sections of the rails being connected with cross members adapted to transmit pressure from above the rails to the base member when same is brought below the unsi'ipported rail sections by a sliding movement of the butter.

4. A railroad-butter construction comprising a butter proper, rails forming a guide and support for the rolling stock, and a base member below said rails in firm connection with said butter and adapted to slide in the direction of said rails on impact oi the rolling stock on the buffer, the rails having supported and unsupported sections joining near the rest position of the buffer, the base member of the buffer being provided with a tongue like extension of less width than the distance of the rails and situated at rest position between the supports of the supported rail sections, the unsupported rail section adapted to transmit pressure to said base member tongue on advancing of same under impact of the rolling stock on the buffer.

In testimony whereof I have signed this specification in the presence of two subscribing witnesses.

FRANZ RAVVIE. Witnesses:

HENRY HAsrnR, ALLEN F. JENNINGS.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents. Washington, D. C. 

